Arthropod pest control composition and method for controlling arthropod pests

ABSTRACT

Disclosed is an arthropod pest control composition having an excellent controlling effect on arthropod pests, which comprises an amide compound represented by formula (a), a spinosin compound represented by formula (1), wherein R 1 , R 2 , X 1 , X 2  are defined in the present claims, and one or more compounds selected from Group (A), consisting of fipronil, pymetrozine, a compound represented by formula (b) and a neonicotinoid compound containing a nitroguanidine structure.

TECHNICAL FIELD

The present application is filed claiming the priority of the JapanesePatent Application No. 2011-155104, the entire contents of which areherein incorporated by reference.

The present invention relates to an arthropod pest control compositionand a method for controlling arthropod pests.

BACKGROUND ART

Heretofore, various compounds are known as active ingredients inarthropod pest control compositions (see, for example, The PesticideManual-15th edition (published by BCPC); ISBN 978-1-901396-18-8).

SUMMARY OF INVENTION Technical Problem

An object of the present invention is to provide an arthropod pestcontrol composition having an excellent control effect on arthropodpests.

Solution to Problem

The present inventors have intensively studied for providing anarthropod pest control composition having an excellent control effect onarthropod pests, and finally found that a composition comprising anamide compound represented by the following formula (a), a spinosincompound represented by the following formula (1) and one or morecompounds selected from Group (A) has an excellent control effect onarthropod pests, thereby attaining the present invention.

Namely, the present invention includes the followings [1] to [10]:

[1] An arthropod pest control composition comprising an amide compoundrepresented by formula (a):

a spinosin compound represented by formula (1):

wherein R¹ represents a hydrogen atom or a C1-C4 alkyl group, R²represents a C1-C4 alkyl group, and X¹ and X² each represents a hydrogenatom, or X¹ and X² are taken together to form a single bond, and

-   one or more compounds selected from Group (A):-   Group (A): the group consisting of fipronil, pymetrozine, compound    represented by formula (b):

and a neonicotinoid compound containing a nitroguanidine structure.

-   [2] The arthropod pest control composition according to the above    [1], wherein the weight ratio of the amide compound to the spinosin    compound is from 50:1 to 1:50.-   [3] The arthropod pest control composition according to the above    [2], wherein the weight ratio of the amide compound to the one or    more compounds selected from Group (A) is from 50:1 to 1:100.-   [4] The arthropod pest control composition according to any one of    the above [1] to [3], wherein the neonicotinoid compound is a    compound represented by formula (2):

wherein R³ represents a hydrogen atom or a methyl group,

-   A and E each represents a hydrogen atom, or A and E are taken    together to form CH₂—CH₂ or CH₂—O—CH₂,-   Z represents a 2-chloro-5-thiazolyl group, a 6-chloro-3-pyridyl    group or a 3-tetrahydrofuryl group.-   [5] The arthropod pest control composition according to any one of    the above [1] to [3], wherein the neonicotinoid compound is    clothianidin, imidacloprid, thiamethoxam or dinotefuran.-   [6] The arthropod pest control composition according to any one of    the above [1] to [3], wherein the one or more compounds selected    from Group (A) is pymetrozine, dinotefuran or the compound    represented by formula (b).-   [7] The arthropod pest control composition according to any one of    the above [1] to [6], wherein the spinosin compound is spinosad or    spinetoram.-   [8] A method for controlling an arthropod pest, which comprises    applying an effective amount of the arthropod pest control    composition according to any one of the above [1] to [7] to a plant    or an area in which a plant is grown.-   [9] The method for controlling an arthropod pest according to the    above [8], wherein the plant or the area in which a plant is grown    is rice or area in which rice is grown.-   [10] Use of a composition comprising the amide compound represented    by formula (a), the spinosin compound represented by formula (1),    and the one or more compounds selected from Group (A), as an    arthropod pest control agent.

Effects of Invention

According to the present invention, it is possible to control anarthropod pest.

DESCRIPTION OF EMBODIMENTS

The arthropod pest control composition of the present inventioncomprises an amide compound represented by formula (a) (hereinaftersometimes referred to as “the present amide compound”):

a spinosin compound represented by formula (1) (hereinafter sometimesreferred to as “the present spinosin compound”):

wherein R¹, R², X¹ and X² are defined as above, and

-   one or more compounds (hereinafter sometimes referred to as “the    present compound (A)”) selected from the following-   Group (A):-   Group (A): the group consisting of fipronil, pymetrozine, a compound    represented by formula (b):

(hereinafter referred to as “the present compound (b)”), and aneonicotinoid compound containing a nitroguanidine structure(hereinafter referred to as “the present neonicotinoid compound”).

The present amide compound is known and can be prepared, for example, bya process described in WO 2003/010149.

The present spinosin compound is described in, for example, EP-A-375316and WO97/00265, and can be prepared by a process described in thedocuments.

In the formula (1), the “C1-C4 alkyl group” represented by R¹ and R²includes, for example, a methyl group and an ethyl group.

The spinosin compound represented by formula (1) wherein X¹ and X² aretaken together to form a single bond is a compound represented by thefollowing formula:

Specific examples of the present spinosin compound include spinosin A,spinosin D, spinetoram J and spinetoram L, as described below:

A mixture of spinosyn A and spinosyn D is known by the general name“spinosad”, and known as an active ingredient of a pesticide. A mixtureof spinetoram J and spinetoram L is known by the general name“spinetoram”, and known as an active ingredient of a pesticide. Spinosador spinetoram can be also used in the present invention.

In spinosad, the mixing weight ratio of spinosyn A to spinosyn D isusually 50:50 to 95:5, preferably 70:30 to 95:5.

In spinetoram, the mixing weight ratio of spinetoram J to spinetoram Lis usually 50:50 to 90:10, preferably 70:30 to 90:10.

Spinosad and spinetoram are both known compounds, as described in, forexample, at pages 1040 and 1042 of “The Pesticide Manual-15th edition(published by BCPC); ISBN 978-1-901396-18-8”. These compounds can beobtained from commercial sources or produced by a known method.

Fipronil and pymetrozine to be used in the present invention are bothknown compounds, as described in, for example, at pages 500 and 968 of“The Pesticide Manual-15th edition (published by BCPC); ISBN978-1-901396-18-8”. These compounds can be obtained from commercialsources or produced by a known method.

The present compound (b) is described in, for example, WO2007/115644,and can be prepared by a process described in the document.

The present neonicotinoid compound is a neonicotinoid compoundcontaining a nitroguanidine structure, and examples thereof include acompound represented by formula (2):

wherein R³ represents a hydrogen atom or a methyl group,

-   A and E each represents a hydrogen atom, or A and E are taken    together to form CH₂—CH₂ or CH₂—O—CH₂,-   Z represents a 2-chloro-5-thiazolyl group, a 6-chloro-3-pyridyl    group or a 3-tetrahydrofuryl group.

The above compound represented by formula (2) is a known compound, andcan be prepared, for example, by a process described in JP-A-3-157308,JP-A-61-178981, JP-A-6-183918 or JP-A-7-179448.

The compound represented by formula (2) wherein A and E are takentogether to form CH₂—CH₂ is specifically a compound represented by thefollowing formula:

The compound represented by formula (2) wherein A and E are takentogether to form CH₂—O—CH₂ is specifically a compound represented by thefollowing formula:

Specific examples of the present neonicotinoid compound includeclothianidin, imidacloprid, thiamethoxam and dinotefuran, as follows:

Clothianidin, imidacloprid, thiamethoxam and dinotefuran are knowncompounds, and are described, for example, at pages 229, 645, 1112 and391 of “The Pesticide Manual-15th edition (published by BCPC); ISBN978-1-901396-18-8”. These compounds can be obtained from commercialsources or produced by a known method.

In the arthropod pest control composition of the present invention, theweight ratio of the present amide compound, the present spinosincompound and the present compound (A) is not particularly limited.However, the present spinosin compound is generally 0.2 to 50000 partsby weight, preferably 2 to 5000 parts by weight, more preferably 10 to100 parts by weight, further preferably 20 to 80 parts by weight,relative to 100 parts by weight of the present amide compound. Thepresent compound (A) is generally 0.2 to 100000 parts by weight,preferably 2 to 10000 parts by weight, more preferably 50 to 200 partsby weight, further preferably 80 to 180 parts by weight, relative to 100parts by weight of the present amide compound. Namely, (i) the weightratio of the present amide compound to the present spinosin compound isgenerally 500:1 to 1:500, preferably 50:1 to 1:50, more preferably 10:1of 1:1, further preferably 5:1 to 1:0.8; (ii) the weight ratio of thepresent amide compound to the present compound (A) is generally 500:1 to1:1000, preferably 50:1 to 1:100, more preferably 2:1 to 1:2, furtherpreferably 1.25:1 to 1:1.8; and (iii) the weight ratio of the presentamide compound to the present spinosin compound to the present compound(A) may be represented by a combination of the above weight ratio of thepresent amide compound to the present spinosin compound and the aboveweight ratio of the present amide compound to the present compound (A).

The arthropod pest control composition of the present invention may beprepared by simply mixing the present amide compound, the presentspinosin compound and the present compound (A), but generally by mixingthe present amide compound, the present spinosin compound and thepresent compound (A) and an inert carrier, and if necessary, asurfactant and/or other formulation additives, and then formulating themixture into a formulation such as oil solution, emulsifiableconcentrate, suspension concentrate, wettable powders, water dispersiblegranules, dusts, and granules.

Thus formulated arthropod pest control composition may be used directly,or after the addition of other inert ingredients, as an arthropod pestcontrol agent.

The total amount of the present amide compound, the present spinosincompound and the present compound (A) in the arthropod pest controlcomposition of the present invention is generally 0.01 to 99% by weight,preferably 0.1 to 90% by weight, more preferably 0.5 to 70% by weight.

Examples of the solid carrier used for formulation of the arthropod pestcontrol composition include fine powders or granules of minerals (e.g.,kaolin clay, attapulgite clay, bentonite, montmorillonite, acidic whiteclay, pyrophylite, talc, diatomaceous earth, and calicite), naturalorganic substances (e.g., corncob flour, and walnut shell flour),synthetic organic substances (e.g., urea), salts (e.g., calciumcarbonate, and ammonium sulfate), and synthetic inorganic substances(e.g., synthetic hydrated silicon oxide).

Examples of the liquid carrier include aromatic hydrocarbons (e.g.,xylene, alkylbenzene, and methyl naphthalene), alcohols (e.g.,2-propanol, ethylene glycol, propylene glycol, and ethylene glycolmonoethyl ether), ketones (e.g., acetone, cyclohexanone, andisophorone), vegetable oils (e.g., soybean oil, and cotton oil),petroleum-based aliphatic hydrocarbons, esters, dimethylsulfoxide,acetonitrile, and water.

Examples of the surfactant include anionic surfactants (e.g., alkylsulfate ester salts, alkylaryl sulfonates, dialkyl sulfosuccinates,polyoxyethylene alkylaryl ether phosphate ester salts, ligninsulfonates,and naphthalene sulfonate formaldehyde polycondensates), nonionicsurfactants (e.g., polyoxyethylene alkylaryl ethers, polyoxyethylenealkylpolyoxypropylene block copolymers, and sorbitan fatty acid esters),and cationic surfactants (e.g., alkyl trimethyl ammonium salts).

Examples of the formulation additive include water-soluble polymers(e.g., polyvinyl alcohol, and polyvinyl pyrrolidone), polysaccharides[e.g., gum arabic, alginic acid and a salt thereof, CMC (carboxymethylcellulose), and xanthane gum], inorganic substances (e.g., aluminummagnesium silicate, and alumina-sol), preservatives, colorants, andstabilizers [e.g. PAP (isopropyl acid phosphate), and BHT].

The arthropod pest control composition of the present invention may bealso prepared by formulating each of the present amide compound, thepresent spinosin compound and the present compound (A) according to amethod described above; and diluting with water, if necessary; andmixing a formulation containing the present amide compound, aformulation containing the present spinosin compound and a formulationcontaining the present compound (A) or dilutions thereof.

The arthropod pest control composition of the present invention can beused for protecting a plant from damage due to eating or sucking by anarthropod pest.

Examples of the arthropod pest on which the arthropod pest controlcomposition of the present invention has controlling effect include asdescribed below:

Hemiptera:

Delphacidae such as Laodelphax striatellus, Nilaparvata lugens,Sogatella furcifera; Deltocephalidae such as Nephotettix cincticeps,Nephotettix virescens, Recilia dorsalis, Empoasca onukii; Aphididae suchas Aphis gossypii, Myzus persicae, Brevicoryne brassicae, Aphisspiraecola, Macrosiphum euphorbiae, Aulacorthum solani, Rhopalosiphumpadi, Toxoptera citricidus, Hyalopterus pruni, Eriosoma lanigerum;Pentatomidae such as Nezara antennata, Trigonotylus caelestialium,Graphosoma rubrolineatum, Eysarcoris lewisi, Riptortus clavetus,Leptocorisa chinensis, Eysarcoris parvus, Halyomorpha mista, Nezaraviridula, and Lygus lineolaris; Aleyrodidae such as Trialeurodesvaporariorum, Bemisia tabaci, Dialeurodes citri, and Aleurocanthusspiniferus; Coccoidea such as Aonidiella aurantii, Comstockaspisperniciosa, Unaspis citri, Ceropiastes rubens, Icerya purchasi,Planococcus kraunhiae, Pseudococcus longispinis, and Pseudaulacaspispentagona; Tingidae; Cimicoidea such as Cimex lectularius; Psyllidaesuch as Cacopsylla pyricola; etc.

Lepidoptera:

Pyralidae such as Chilo suppressalis, Tryporyza incertulas,Cnaphalocrocis medinalis, Notarcha derogata, Plodia interpunctella,Ostrinia furnacalis, Hellula undalis, and Pediasia teterrellus;Noctuidae such as Spodoptera litura, Spodoptera exigua, Pseudaletiaseparata, Sesamia inferens, Mamestra brassicae, Agrotis ipsilon, Plusianigrisigna, Trichoplusia ni, Thoricoplusia spp., Heliothis spp., andHelicoverpa spp.; Pieridae such as Pieris rapae; Tortricidae such asAdoxophyes spp., Grapholita molesta, Leguminivora glycinivorella,Matsumuraeses azukivora, Adoxophyes orana fasciata, Adoxophyes honmai.,Homona magnanima, Archips fuscocupreanus, and Cydia pomonella;Gracillariidae such as Caloptilia theivora, and Phyllonorycterringoneella; Carposinidae such as Carposina niponensis; Lyonetiidae suchas Lyonetia spp.; Lymantriidae such as Lymantria spp., and Euproctisspp.; Yponomeutidae such as Plutella xylostella; Gelechiidae such asPectinophora gossypiella, and Phthorimaea operculella; Arctiidae such asHyphantria cunea; Tineidae such as Tinea translucens, and Tineolabisselliella; Tuta absoluta; etc.

Thysanoptera:

Thripidae such as Frankliniella occidentalis, Thrips parmi, Scirtothripsdorsalis, Thrips tabaci, Frankliniella intonsa, Frankliniella fusca,Stenchaetothrips biformis, Haplothrips aculeatus; etc.

Diptera:

Agromyzidae such as Hylemya antiqua, Hylemya platura, Agromyza oryzae,Hydrellia griseola, Chlorops oryzae, and Liriomyza trifolii; Dacuscucurbitae, Ceratitis capitata; etc.

Coleoptera:

Epilachna vigintioctopunctata, Aulacophora femoralis, Phyllotretastriolata, Oulema oryzae, Echinocnemus squameus, Lissorhoptrusoryzophilus, Anthonomus grandis, Callosobruchus chinensis, Sphenophorusvenatus, Popillia japonica, Anomala cuprea, Diabrotica spp.,Leptinotarsa decemlineata, Agriotes spp., Lasioderma serricorne; etc.

Orthoptera:

Gryllotalpa africana, Oxya yezoensis, Oxya japonica; etc.

Among the above arthropod pests, preferred are Delphacidae;Deltocephalidae; Aphididae; Pentatomidae; Lissorhoptrus oryzophilus,Oulema oryzae, Pyralidae; Noctuidae, etc.

The arthropod pest control composition of the present invention may beused for controlling plant diseases such as Thanatephorus cucumeris.

The arthropod pest control composition of the present invention can beused in agricultural lands such as fields, paddy fields, dry fields,lawns, and orchards, or nonagricultural lands. The arthropod pestcontrol composition of the present invention can be also used forcontrolling a pest in an agricultural land, etc. in which “plant”, etc.is grown.

Examples of the plant to which the arthropod pest control composition ofthe present invention can be applied include as described below:

Crops: corn, rice, wheat, barley, rye, oat, sorghum, cotton, soybean,peanut, buckwheat, sugar beet, rapeseed, sunflower, sugar cane, tobacco,etc.;

Vegetables: Solanaceae vegetables (eggplant, tomato, green pepper, hotpepper, potato, etc.), Cucurbitaceae vegetables (cucumber, pumpkin,zucchini, watermelon, melon, etc.), Cruciferae vegetables (Japaneseradish, turnip, horseradish, kohlrabi, Chinese cabbage, cabbage, brownmustard, broccoli, cauliflower, rape, etc.), Compositae vegetables(burdock, garland chrysanthemum, artichoke, lettuce, etc.), Liliaceaevegetables (Welsh onion, onion, garlic, asparagus, etc.), Umbelliferaevegetables (carrot, parsley, celery, parsnip, etc.), Chenopodiaceaevegetables (spinach, Swiss chard, etc.), Labiatae vegetables (Japanesebasil, mint, basil, etc.), strawberry, sweat potato, yam, aroid, etc.;

Fruit trees: pomaceous fruits (apple, common pear, Japanese pear,Chinese quince, quince, etc.), stone fleshy fruits (peach, plum,nectarine, Japanese plum, cherry, apricot, prune, etc.), citrus plants(Satsuma mandarin, orange, lemon, lime, grapefruit, etc.), nuts(chestnut, walnut, hazel nut, almond, pistachio, cashew nut, macadamianut, etc.), berry fruits (blueberry, cranberry, blackberry, raspberry,etc.), grape, persimmon, olive, loquat, banana, coffee, date, coconut,oil palm, etc.;

Trees other than fruit trees: tea, mulberry, flowering trees (azalea,camellia, hydrangea, sasanqua, Japanese star anise, cherry, tulip tree,crape myrtle, orange osmanthus, etc.), street trees (ash tree, birch,dogwood, eucalyptus, ginkgo, lilac, maple tree, oak, poplar, cercis,Chinese sweet gum, plane tree, zelkova, Japanese arborvitae, fir tree,Japanese hemlock, needle juniper, pine, spruce, yew, spruce, elm, horsechestnut, etc.), coral tree, podocarpus, cedar, Japanese cypress,croton, Euonymus japonicus, Photinia glabra, etc.;

lawns: Zoysia (zoysiagrass, Zoysia matrella, etc.), Bermuda grasses(Cynodon dactylon, etc.), bent grasses (Agrostis alba, creeping bentgrass, hiland bent, etc.), blueglasses (meadow grass, bird grass, etc.),fescue (tall fescue, chewings fescue, creeping red fescue, etc.),ryegrasses (darnel, rye grass, etc.), orchard grass, timothy grass,etc.;

Others: flowers (rose, carnation, chrysanthemum, prairie gentian,gypsophila, gerbera, marigold, salvia, petunia, verbena, tulip, aster,gentian, lily, pansy, cyclamen, orchid, convallaria, lavender, stock,ornamental cabbage, primula, poinsettia, gladiolus, cattleya, daisy,cymbidium, begonia, etc.), bio-fuel plants (Jatropha, safflower,camelina, switchgrass, Miscanthus, reed canary grass, giant reed, kenaf,cassava, willow, etc.), ornamental plants, etc.

Among the above plants, preferred are corn, wheat, rice, etc., andparticulary preferred is rice.

The “plant” as used herein may be those having resistance, which isimparted by a genetic engineering technique or across-breeding method.

The method for controlling an arthropod pest of the present invention(hereinafter referred to as “the control method of the presentinvention”) comprises applying an effective amount of the present amidecompound, the present spinosin compound and the present compound (A) toa plant or an area in which a plant is grown. The plant as used hereininclude the stems and leaves of plants, the flowers of plants, thefruits of plants, the seeds of plants, etc.

In the control method of the present invention, the present amidecompound, the present spinosin compound and the present compound (A) maybe applied simultaneously or separately to a plant or an area in which aplant is grown, but generally the composition of the present inventioncomprising said compounds is applied for ease of treatment.

The “effective amount” as used herein means the total amount of thepresent amide compound, the present spinosin compound and the presentcompound (A), which is capable of exerting the controlling effect on anarthropod pest.

In the control method of the present invention, examples of theapplication of the present amide compound, the present spinosin compoundand the present compound (A) include application to the stems and leavesof plants such as foliage application; application to the seeds ofplants; and application to area in which plants are grown such as soilapplication and submerged application.

Specific examples of the application to the stems and leaves of plantssuch as foliage application in the present invention include applicationto the surface of cultivated plants such as ground application by usingmanual sprayers, power sprayers, boom sprayers or Pancle sprayers, oraerial application or spraying by using radio control helicopters, etc.

Specific examples of the application to the seeds of plants in thepresent invention include immersion treatment, spray coating treatment,dressing treatment, film coating treatment and pellet coating treatment.

Specific examples of the application to area in which plants are grownsuch as soil application and submerged application in the presentinvention include planting hole treatment, plant foot treatment,planting furrow treatment, planting row treatment, broadcast treatment,side row treatment, seedling box treatment, seedbed treatment, mixingwith culture soil, mixing with seedbed soil, mixing with a pastefertilizer, water surface treatment, spraying on water, etc., preferablyseedling box treatment.

When the arthropod pest control composition of the present invention isapplied to a plant or an area in which a plant is grown, the applicationamount varies depending on the kinds of plant to be protected, thespecies or population size of arthropod pest to be controlled, the formof a formulation, the timing of application, weather conditions, etc.,but is generally within a range from 0.05 to 10,000 g, preferably from0.5 to 1,000 g per 1,000 m² of an area where a plant is grown, in termsof the total amount of the present amide compound, the present spinosincompound and the present compound (A).

When the arthropod pest control composition of the present invention isapplied to a rice seedling box, the application amount is generallywithin a range from 0.1 to 35 g, preferably from 0.2 to 20 g per onerice seedling box (width: about 60 cm, length: about 30 cm), in terms ofthe total amount of the present amide compound, the present spinosincompound and the present compound (A).

When the arthropod pest control composition of the present invention isapplied to 20 rice seedling boxes per 1,000 m² of an area where rice isgrown after transplantation, the application amount is generally withina range from 2 to 700 g, preferably from 4 to 400 g per 1,000 m² of anarea where rice is grown after transplantation, in terms of the totalamount of the present amide compound, the present spinosin compound andthe present compound (A).

When the arthropod pest control composition of the present invention isapplied to the seeds of plants, the application amount varies dependingon the kinds of plant to be protected, the species or population size ofarthropod pest to be controlled, the form of a formulation, the timingof application, weather conditions, etc., but is generally within arange from 0.001 to 100 g, preferably from 0.05 to 50 g per 1 kg of theseeds, in terms of the total amount of the present amide compound, thepresent spinosin compound and the present compound (A).

The arthropod pest control composition of the present invention in theform of emulsifiable concentrate, wettable powder or suspensionconcentrate is generally applied after dilution with water. In thiscase, the total concentration of the present amide compound, the presentspinosin compound and the present compound (A) is generally 0.00001 to10% by weight, preferably 0.0001 to 5% by weight. The arthropod pestcontrol composition of the present invention in the form of dusts orgranules is generally applied as it is without dilution.

The arthropod pest control composition of the present invention may beapplied to rice or an area in which rice is grown at the time, forexample, before, during or after sowing or transplanting of rice. Thetiming of application may vary depending on the growing conditions ofrice, the degree of occurrence of diseases, pests and weeds, weatherconditions, etc., but is generally within a range from 30 days beforesowing of rice to 20 days after transplanting of rice, preferably beforesowing to before transplanting, more preferably 3 days beforetransplanting to before transplanting.

EXAMPLES

Hereinafter, the present invention will be described in more detail withreference to Formulation Examples and Test Examples, but not limitedthereto. In the Examples, the term “part(s)” means part(s) by weightunless otherwise specified.

Formulation Example 1

Two (2) parts of the present amide compound, 0.5 parts of spinetoram,1.5 parts of clothianidin, 1 part of synthesis hydrated silicon oxide, 2parts of calcium lignosulfonate, 30 parts of bentonite and the restparts of kaolin clay are mixed, and then 100 parts of the mixture isfinely-ground and mixed. After adding water thereto, the mixture issufficiently kneaded and then dried while grinding to obtain granules.

Formulation Examples 2 to 9

The same procedure as described in Formulation Example 1 is repeated,except that each used amount of each compound as shown in Table 1 isused instead of 1.5 parts of clothianidin, to obtain each of the targetgranules.

TABLE 1 Formulation Used amount Example Compound [part] 2 Imidacloprid 23 Thiamethoxam 2 4 Thiamethoxam 8 5 Dinotefuran 2 6 Fipronil 1 7Pymetrozine 3 8 Present compound (b) 2 9 Present compound (b) 4

Formulation Example 10

Two (2) parts of the present amide compound, 1 part of spinosad, 1.5parts of clothianidin, 1 part of synthesis hydrated silicon oxide, 2parts of calcium lignosulfonate, 30 parts of bentonite and the restparts of kaolin clay are mixed, and then 100 parts of the mixture isfinely-ground and mixed. After adding water thereto, the mixture issufficiently kneaded and then dried while grinding to obtain granules.

Formulation Examples 11 to 18

The same procedure as described in Formulation Example 10 is repeated,except that each used amount of each compound as shown in Table 2 isused instead of 1.5 parts of clothianidin, to obtain each of the targetgranules.

TABLE 2 Formulation Used amount Example Compound [part] 11 Imidacloprid2 12 Thiamethoxam 2 13 Thiamethoxam 8 14 Dinotefuran 2 15 Fipronil 1 16Pymetrozine 3 17 Present compound (b) 2 18 Present compound (b) 4

Formulation Example 19

Three (3) parts of the present amide compound, 15 parts of spinetoramand 15 parts of clothianidin are added to a mixture of 4 parts of sodiumlauryl sulfate, 2 parts of calcium lignosulfonate, 20 parts of a finepowder of synthetic hydrated silicon oxide and 41 parts of diatomaceousearth, and then the resultant mixture is sufficiently mixed withstirring to obtain a wettable powder.

Formulation Examples 20 to 25

The same procedure as described in Formulation Example 19 is repeated,except that each used amount of each compound as shown in Table 3 isused instead of 15 parts of clothianidin, to obtain each of the targetwettable powders.

TABLE 3 Formulation Used amount Example Compound [part] 20 Imidacloprid15 21 Thiamethoxam 15 22 Dinotefuran 15 23 Fipronil 15 24 Pymetrozine 1525 Present compound (b) 15

Formulation Example 26

Three (3) parts of the present amide compound, 15 parts of spinosad and15 parts of clothianidin are added to a mixture of 4 parts of sodiumlauryl sulfate, 2 parts of calcium lignosulfonate, 20 parts of a finepowder of synthetic hydrated silicon oxide and 41 parts of diatomaceousearth, and then the resultant mixture is sufficiently mixed withstirring to obtain a wettable powder.

Formulation Examples 27 to 32

The same procedure as described in Formulation Example 26 is repeated,except that each used amount of each compound as shown in Table 4 isused instead of 15 parts of clothianidin, to obtain each of the targetwettable powders.

TABLE 4 Formulation Used amount Example Compound [part] 27 Imidacloprid15 28 Thiamethoxam 15 29 Dinotefuran 15 30 Fipronil 15 31 Pymetrozine 1532 Present compound (b) 15

Formulation Example 33

One (1) part of the present amide compound, 0.5 parts of spinetoram,0.15 parts of clothianidin, 10 parts of talc and the rest parts ofkaolin clay are finely-ground and mixed to obtain 100 parts of dusts.

Formulation Examples 34 to 40

The same procedure as described in Formulation Example 33 is repeated,except that each used amount of each compound as shown in Table 5 isused instead of 0.15 parts of clothianidin, to obtain each of the targetdusts.

TABLE 5 Formulation Used amount Example Compound [part] 34 Clothianidin0.5 35 Imidacloprid 0.25 36 Thiamethoxam 0.35 37 Dinotefuran 0.35 38Fipronil 0.25 39 Pymetrozine 0.25 40 Present compound (b) 0.35

Formulation Example 41

One (1) part of the present amide compound, 0.5 parts of spinosad, 0.15parts of clothianidin, 10 parts of talc and the rest parts of kaolinclay are finely-ground and mixed to obtain 100 parts of dusts.

Formulation Examples 42 to 48

The same procedure as described in Formulation Example 41 is repeated,except that each used amount of each compound as shown in Table 6 isused instead of 0.15 parts of clothianidin, to obtain each of the targetdusts.

TABLE 6 Formulation Used amount Example Compound [part] 42 Clothianidin0.5 43 Imidacloprid 0.25 44 Thiamethoxam 0.35 45 Dinotefuran 0.35 46Fipronil 0.25 47 Pymetrozine 0.25 48 Present compound (b) 0.35

Formulation Example 49

Ten (10) parts of the present amide compound, 2 parts of spinetoram, 6.6parts of clothianidin, 30 parts of white carbon containing 50 parts ofammonium polyoxyethylene alkylether sulfate and the rest parts of waterare mixed, and then 100 parts of the resultant mixture is finely-groundby a wet grinding method to obtain a suspension concentrate.

Formulation Examples 50 to 56

The same procedure as described in Formulation Example 49 is repeated,except that each used amount of each compound as shown in Table 7 isused instead of 6.6, parts of clothianidin, to obtain each of thesuspension concentrates.

TABLE 7 Formulation Used amount Example Compound [part] 50 Imidacloprid8 51 Thiamethoxam 8 52 Dinotefuran 5 53 Dinotefuran 10 54 Fipronil 5 55Pymetrozine 10 56 Present compound (b) 8

Formulation Example 57

Ten (10) parts of the present amide compound, 2 parts of spinosad, 6.6parts of clothianidin, 30 parts of white carbon containing 50 parts ofammonium polyoxyethylene alkylether sulfate and the rest parts of waterare mixed, and then 100 parts of the resultant mixture is finely-groundby a wet grinding method to obtain a suspension concentrate.

Formulation Examples 58 to 64

The same procedure as described in Formulation Example 57 is repeated,except that each used amount of each compound as shown in Table 8 isused instead of 6.6 parts of clothianidin, to obtain each of thesuspension concentrates.

TABLE 8 Formulation Used amount Example Compound [part] 58 Imidacloprid8 59 Thiamethoxam 8 60 Dinotefuran 5 61 Dinotefuran 10 62 Fipronil 5 63Pymetrozine 10 64 Present compound (b) 8

The effects of the present invention will be demonstrated below withreference to Test Examples.

Test Example 1

Each 10 mg of the present amide compound, spinetoram, spinosad,dinotefuran and the present compound (b) was dissolved in 0.2 ml of a 5%(w/v) solution of SORGEN TW-20 (manufactured by Dai-ichi Kogyo SeiyakuCo., Ltd.) in acetone (manufactured by Wako Pure Chemical Industries,Ltd.) and then diluted with water to a given concentration.

The water dilution of the present amide compound, the water dilution ofspinetoram or spinosad, and the water dilution of dinotefuran or thepresent compound (b) were mixed to prepare a test solution.

Each 1 ml of the test solution was sprayed onto a soil in the vicinityof the foot of rice seedling (Oryza sativa, cultivar: Hinohikari) at the2.5 leaf stage grown in a in a 200-hole plug tray. After standing for 2hours, the seedling was transplanted to a flooded soil in 1/10,000 aWagner pot and then the pot was placed in a greenroom (nighttemperature: 17° C., day temperature: 22° C.) One (1) day after thetreatment, 10 third-instar nymphs of Nilaparvata lugens were releasedthereto. This is called a treated-section.

In the same manner as in the treated-section, a rice seedling withoutany treatment with the test solution was transplanted and then theinsects were released thereto. This is called an untreated-section.

Four (4) days after releasing the tested nymphs, the insects wereobserved for life or death. From the observation results, an insectdeath rate was calculated by the following Equation 1) and a correctedinsect death rate was calculated by the following Equation 2). For eachtreatment, there were 3 replicates. The average values are shown inTable 9.Insect death rate(%)=(Number of tested insects−number of survivinginsects)/Number of tested insects×100  Equation 1);Corrected insect death rate(%)={(Insect death rate in treatedsection−Insect death rate in untreated section)/(100−Insect death ratein untreated section)}×100  Equation 2);

TABLE 9 Application Corrected Comp. amount insect death No. Testcompound [mg/seedling] rate [%] 1 Present amide compound 1.0 100Spinetoram 0.25 Dinotefuran 1.0 2 Present amide compound 1.0 97Spinetoram 0.25 Present compound (b) 1.0 3 Present amide compound 1.0100 Spinosad 0.5 Dinotefuran 1.0 4 Present amide compound 1.0 100Spinosad 0.5 Present compound (b) 1.0

Test Example 2

Each 10 mg of the present amide compound, spinetoram, spinosad, andpymetrozine was dissolved in 0.2 ml of a 5% (w/v) solution of SORGENTW-20 (manufactured by Dai-ichi Kogyo Seiyaku Co., Ltd.) in acetone(manufactured by Wako Pure Chemical Industries, Ltd.) and then dilutedwith water to a given concentration.

The water dilution of the present amide compound, the water dilution ofspinetoram or spinosad, and the water dilution of pymetrozine were mixedto prepare a test solution.

Each 1 ml of the test solutions was sprayed onto a soil in the vicinityof the foot of a rice seedling (Oryza sativa, cultivar: Hinohikari) atthe 2.5 leaf stage grown in a 200-hole plug tray. After standing for 2hours, the seedling was transplanted to a flooded soil in 1/10,000aWagner pot and then the pot was placed in a greenroom (nighttemperature: 17° C., day temperature: 22° C.). Two (2) days after thetreatment, the foot of the seedling was covered by a plastic cup and 10nymphs (5 males and 5 females), which here 5^(th) inster of Nilaparvatalugens were released thereto. This is called a treated-section.

In the same manner as in the treated-section, a rice seedling withoutany treatment with the test solution was transplanted and then theinsects were released thereto. This is called an untreated-section.

Five (5) days after releasing the insects, all released insects wereremoved. Seventeen (17) days after releasing the insects, the number offreshly-hatched nymphs parasitizing rice was examined. From theobservation results, a control value was calculated by the followingEquation 3). For each treatment, there were 3 replicates. The averagevalues are shown in Table 10.Control value={1−(number of insects in treated section/number of insectsin untreated section)}×100  Equation 3);

TABLE 10 Application Comp. amount Controlling No. Test compound[mg/seedling] value 5 Present amide compound 1.0 96 Spinetoram 0.25Pymetrozine 1.5 6 Present amide compound 1.0 97 Spinosad 0.5 Pymetrozine1.5

Test Example 3

Each 10 mg of the present amide compound, spinetoram, spinosad, and thepresent compound (b) was dissolved in 0.2 ml of a 5% (w/v) solution ofSORGEN TW-20 (manufactured by Dai-ichi Kogyo Seiyaku Co., Ltd.) inacetone (manufactured by Wako Pure Chemical Industries, Ltd.) and thendiluted with water to a given concentration.

The water dilution of the present amide compound, the water dilution ofspinetoram or spinosad, and the water dilution of the present compound(b) were mixed to prepare a test solution.

Each 1 ml of the test solution was sprayed onto a soil in the vicinityof the foot of a rice seedling (Oryza sativa, cultivar: Hinohikari) atthe 2.5 leaf stage grown in a 200-hole plug tray. After standing for 2hours, the seedling was transplanted to a flooded soil in 1/10,000 aWagner pot and then the pot was placed in a greenroom (nighttemperature: 17° C., day temperature: 22° C.). Five (5) days after thetreatment, the foot of the seedling was covered by a plastic cup and 10first-instar nymphs of Chilo suppressalis were released thereto. This iscalled a treated-section.

In the same manner as in the treated-section, a rice seedling withoutany treatment with the test solution was transplanted and then theinsects were released thereto. This is called an untreated-section.

Three (3) days after releasing the tested nymphs, the insects wereobserved for life or death. From the observation results, an insectdeath rate was calculated by the following Equation 4) and a correctedinsect death rate was calculated by the following Equation 5). For eachtreatment, there were 3 replicates. The average values are shown inTable 11.Insect death rate(%)=(Number of tested insects−number of survivinginsects)/Number of tested insects×100  Equation 4);Corrected insect death rate(%)={(Insect death rate in treatedsection−Insect death rate in untreated section)/(100−Insect death ratein untreated section)}×100  Equation 5);

TABLE 11 Application Corrected Comp. amount insect death No. Testcompound [mg/seedling] rate [%] 7 Present amide compound 1.0 100Spinetoram 0.25 Present compound (b) 1.0 8 Present amide compound 1.0100 Spinosad 0.5 Present compound (b) 1.0

The invention claimed:
 1. An arthropod pest control compositioncomprising an amide compound represented by formula (a):

a spinosin compound that is spinosad or spinetoram, and a compoundrepresented by formula (b):


2. The arthropod pest control composition according to claim 1, whereinthe weight ratio of the amide compound to the spinosin compound is from50:1 to 1:50.
 3. The arthropod pest control composition according toclaim 2, wherein the weight ratio of the amide compound to the compoundrepresented by formula (b)is from 50:1 to 1:100.
 4. A method forcontrolling an arthropod pest, which comprises applying an effectiveamount of the arthropod pest control composition according to claim 1 toa plant or an area in which a plant is grown.
 5. The method forcontrolling an arthropod pest according to claim 4, wherein the plant orthe area in which a plant is grown is rice or area in which rice isgrown.